CVE-2023-42856

The issue was addressed with improved memory handling. This issue is fixed in macOS Sonoma 14.1, macOS Monterey 12.7.1, macOS Ventura 13.6.1. Processing a file may lead to unexpected app termination or arbitrary code execution.

• CWE-119

• http://seclists.org/fulldisclosure/2023/Oct/21Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/24Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/26Mailing List, Third Party Advisory
• https://support.apple.com/en-us/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213985Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213985Release Notes, Vendor Advisory
• http://seclists.org/fulldisclosure/2023/Oct/21Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/24Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2023/Oct/26Mailing List, Third Party Advisory
• https://support.apple.com/en-us/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/en-us/HT213985Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213983Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213984Release Notes, Vendor Advisory
• https://support.apple.com/kb/HT213985Release Notes, Vendor Advisory

Published

Oct 25, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2023-42849The issue was addressed with improved memory handling. This …6.5
• CVE-2023-42850The issue was addressed with improved permissions logic. Thi…5.5
• CVE-2023-42852A logic issue was addressed with improved checks. This issue…8.8
• CVE-2023-42853A logic issue was addressed with improved checks. This issue…5.5
• CVE-2023-42854This issue was addressed by removing the vulnerable code. Th…5.5
• CVE-2023-42855This issue was addressed with improved state management. Thi…4.6
• CVE-2023-42857A privacy issue was addressed with improved private data red…3.3
• CVE-2023-42858The issue was addressed with improved checks. This issue is …5.5
• CVE-2023-42859The issue was addressed with improved checks. This issue is …5.5
• CVE-2023-42860A permissions issue was addressed with additional restrictio…5.5
• CVE-2023-42861A logic issue was addressed with improved state management. …6.5
• CVE-2023-42862An out-of-bounds read was addressed with improved input vali…6.5